# asymmetric_keys: reject trust keys without IDs

CVE record · `CVE-2026-99220`

- **Identifiers:** `CVE-2026-99220`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 2 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 2 Nov 2026, 16:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 889a2293a95f6c2880bf73b67f9b0af23251a128` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 7f0728ba89624e25df2bb80ff59bbfb545060935` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 2a40bdd4409567de4c2a141ac66439dc238af752` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 1aa0c7aa4c2554a5b6d74ae1924508ca4718234b` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 33a078f04e264eb71aa9f209cb334e4010123818` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 57e54b6939c6539d90a81c7e57531901d5991651` (git)
  - affected: `3c58b2362ba828ee2970c66c6a6fd7b04fde4413 to before 9695df3b1db4ac4534274d38ee16e3b9b0bf910e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.20`
  - unaffected: `before 4.20` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.60 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.14 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3.1 to 7.3.*, inclusive` (semver)
  - unaffected: `7.4-rc1 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 2 Nov 2026, 16:06 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99220)
- 2 Nov 2026, 16:12 UTC: First seen by agentprime
- 2 Nov 2026, 16:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99220)

## Sources

- [CVE List: CVE-2026-99220](https://www.cve.org/CVERecord?id=CVE-2026-99220)
- [NVD: CVE-2026-99220](https://nvd.nist.gov/vuln/detail/CVE-2026-99220)

### References from the CNA

- <https://git.kernel.org/stable/c/889a2293a95f6c2880bf73b67f9b0af23251a128>
- <https://git.kernel.org/stable/c/7f0728ba89624e25df2bb80ff59bbfb545060935>
- <https://git.kernel.org/stable/c/2a40bdd4409567de4c2a141ac66439dc238af752>
- <https://git.kernel.org/stable/c/1aa0c7aa4c2554a5b6d74ae1924508ca4718234b>
- <https://git.kernel.org/stable/c/33a078f04e264eb71aa9f209cb334e4010123818>
- <https://git.kernel.org/stable/c/57e54b6939c6539d90a81c7e57531901d5991651>
- <https://git.kernel.org/stable/c/9695df3b1db4ac4534274d38ee16e3b9b0bf910e>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-99220>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-99220/>. Everything for agents: <https://agentprime.io/llms.txt>.